JP7622317B2 - 複合半透膜 - Google Patents

複合半透膜 Download PDF

Info

Publication number
JP7622317B2
JP7622317B2 JP2020172683A JP2020172683A JP7622317B2 JP 7622317 B2 JP7622317 B2 JP 7622317B2 JP 2020172683 A JP2020172683 A JP 2020172683A JP 2020172683 A JP2020172683 A JP 2020172683A JP 7622317 B2 JP7622317 B2 JP 7622317B2
Authority
JP
Japan
Prior art keywords
group
coating layer
monomer
composite semipermeable
semipermeable membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020172683A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021090953A (ja
Inventor
倫次 宮部
将光 田口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to PCT/JP2020/045243 priority Critical patent/WO2021117631A1/fr
Priority to KR1020227019244A priority patent/KR102932077B1/ko
Priority to EP20900480.3A priority patent/EP4074411A4/fr
Priority to CN202080085032.XA priority patent/CN114761110A/zh
Priority to US17/783,677 priority patent/US12337286B2/en
Priority to TW109143622A priority patent/TWI891690B/zh
Publication of JP2021090953A publication Critical patent/JP2021090953A/ja
Application granted granted Critical
Publication of JP7622317B2 publication Critical patent/JP7622317B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/106—Membranes in the pores of a support, e.g. polymerized in the pores or voids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1216—Three or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/286—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysulphones; polysulfides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
    • C08F220/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/281—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by applying a special coating to the membrane or to any module element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/12—Adsorbents being present on the surface of the membranes or in the pores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/18—Membrane materials having mixed charged functional groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP2020172683A 2019-12-11 2020-10-13 複合半透膜 Active JP7622317B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2020/045243 WO2021117631A1 (fr) 2019-12-11 2020-12-04 Membrane semi-perméable composite
KR1020227019244A KR102932077B1 (ko) 2019-12-11 2020-12-04 복합 반투막
EP20900480.3A EP4074411A4 (fr) 2019-12-11 2020-12-04 Membrane semi-perméable composite
CN202080085032.XA CN114761110A (zh) 2019-12-11 2020-12-04 复合半透膜
US17/783,677 US12337286B2 (en) 2019-12-11 2020-12-04 Composite semipermeable membrane
TW109143622A TWI891690B (zh) 2019-12-11 2020-12-10 複合半透膜

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019223925 2019-12-11
JP2019223925 2019-12-11

Publications (2)

Publication Number Publication Date
JP2021090953A JP2021090953A (ja) 2021-06-17
JP7622317B2 true JP7622317B2 (ja) 2025-01-28

Family

ID=76311316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020172683A Active JP7622317B2 (ja) 2019-12-11 2020-10-13 複合半透膜

Country Status (7)

Country Link
US (1) US12337286B2 (fr)
EP (1) EP4074411A4 (fr)
JP (1) JP7622317B2 (fr)
KR (1) KR102932077B1 (fr)
CN (1) CN114761110A (fr)
TW (1) TWI891690B (fr)
WO (1) WO2021117631A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7072112B1 (ja) 2021-11-05 2022-05-19 日東電工株式会社 複合半透膜、スパイラル型膜エレメント、水処理システム及び水処理方法
WO2026029146A1 (fr) * 2024-08-02 2026-02-05 東レ株式会社 Membrane composite semi-perméable, élément de membrane composite semi-perméable et dispositif de séparation de fluide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007056220A (ja) 2005-08-26 2007-03-08 Menicon Co Ltd コンタクトレンズの製造方法およびそれにより得られたコンタクトレンズ
WO2011088505A1 (fr) 2010-01-19 2011-07-28 Flinders University Of South Australia Membranes de filtration à faible potentiel de colmatage
WO2011162225A1 (fr) 2010-06-23 2011-12-29 大阪有機化学工業株式会社 Modificateur de surface
JP2014510621A (ja) 2012-01-05 2014-05-01 エルジー・ケム・リミテッド 耐汚染性に優れた逆浸透膜及びその製造方法
JP2019147879A (ja) 2018-02-27 2019-09-05 株式会社カネカ 表面改質多孔質膜

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228148B4 (de) 2002-06-24 2006-08-24 Saehan Industries Inc. Selektive Membran mit hoher Fouling-Beständigkeit
CN107297158A (zh) * 2016-04-14 2017-10-27 中国石油化工股份有限公司 一种复合反渗透膜及其制备方法和应用
KR102337641B1 (ko) 2016-12-26 2021-12-10 도레이 카부시키가이샤 복합 반투막 및 그의 제조 방법
SG11201905942WA (en) * 2017-01-18 2019-08-27 Ngee Ann Polytechnic Hydrophilic polymer and membrane for oil-water separation and method of producing the same
WO2019031144A1 (fr) 2017-08-10 2019-02-14 株式会社ブリヂストン Composition de caoutchouc, procédé de production associé et pneumatique
CN108203510B (zh) * 2018-01-12 2020-02-14 哈尔滨工业大学（威海） 一种用于超微滤膜改性的甜菜碱型聚酰亚胺添加剂的制备方法
US10932828B2 (en) 2018-01-25 2021-03-02 Advanced Orthopaedic Solutions, Inc. Bone nail
CN109999662A (zh) * 2019-03-26 2019-07-12 黑龙江八一农垦大学 一种两性离子纳滤膜及其制备方法
JP7285123B2 (ja) 2019-04-10 2023-06-01 上村工業株式会社 金めっき方法及びめっき皮膜

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007056220A (ja) 2005-08-26 2007-03-08 Menicon Co Ltd コンタクトレンズの製造方法およびそれにより得られたコンタクトレンズ
WO2011088505A1 (fr) 2010-01-19 2011-07-28 Flinders University Of South Australia Membranes de filtration à faible potentiel de colmatage
WO2011162225A1 (fr) 2010-06-23 2011-12-29 大阪有機化学工業株式会社 Modificateur de surface
JP2014510621A (ja) 2012-01-05 2014-05-01 エルジー・ケム・リミテッド 耐汚染性に優れた逆浸透膜及びその製造方法
JP2019147879A (ja) 2018-02-27 2019-09-05 株式会社カネカ 表面改質多孔質膜

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Desalination，2015年，Vol.369，P.37-45

Also Published As

Publication number Publication date
US12337286B2 (en) 2025-06-24
KR20220093212A (ko) 2022-07-05
TWI891690B (zh) 2025-08-01
US20230058893A1 (en) 2023-02-23
WO2021117631A1 (fr) 2021-06-17
JP2021090953A (ja) 2021-06-17
EP4074411A1 (fr) 2022-10-19
EP4074411A4 (fr) 2023-01-25
TW202124034A (zh) 2021-07-01
KR102932077B1 (ko) 2026-02-26
CN114761110A (zh) 2022-07-15

Similar Documents

Publication Publication Date Title
US11045771B2 (en) Composite semipermeable membrane and method for producing same
AU2004232679A1 (en) Hydrophilic membrane and process for making the same
JP7010216B2 (ja) 複合半透膜及びその製造方法
JP2018512260A (ja) 薄膜複合材正浸透メンブレン
US6837381B2 (en) Highly permeable composite reverse osmosis membrane and method of producing the same
JP6197969B1 (ja) 複合半透膜
KR102932077B1 (ko) 복합 반투막
JP6729725B2 (ja) 逆浸透膜保護層形成用組成物、これを用いた逆浸透膜の製造方法、逆浸透膜および水処理モジュール
JP7167442B2 (ja) 複合半透膜及びその製造方法
KR20200106214A (ko) 복합 반투막 및 복합 반투막 엘리먼트
KR20210105360A (ko) 복합 반투막
JPH0790152B2 (ja) 複合逆浸透膜
US20220040643A1 (en) Modification of membrane surfaces with amino acid polymers
CN116116235B (zh) 一种具有自愈合功能的反渗透膜及其制备方法
JP2020082034A (ja) 複合半透膜
JP2023088264A (ja) 複合逆浸透膜及びその製造方法
JP7552954B1 (ja) 複合半透膜、複合半透膜モジュール及び流体分離装置
CN116785941A (zh) 复合反渗透膜及其制造方法
WO2023176049A1 (fr) Membrane composite d'osmose inverse et son procédé de production
JP2020138135A (ja) 複合半透膜
JP2026003744A (ja) 複合半透膜および複合半透膜エレメント
WO2023127819A1 (fr) Membrane semi-perméable composite
JP2003144874A (ja) 複合半透膜
JP2020069435A (ja) 表面改質剤、表面改質方法および表面改質分離膜
JPS62216604A (ja) 複合半透膜

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230817

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240730

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240930

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20241217

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241220

R150 Certificate of patent or registration of utility model

Ref document number: 7622317

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150